Same connector and pinout for both 10Base-T and 100Base-TX.
 (at the network interface cards/hubs)
 (at the network interface cards/hubs)
 (at the cables)
 (at the cables)
RJ45 FEMALE CONNECTOR at the network interface cards/hubs.
RJ45 MALE CONNECTOR at the cables.
| Pin | Name | Description | 
|---|---|---|
| 1 | TX+ | Transmit Data+ | 
| 2 | TX- | Transmit Data- | 
| 3 | RX+ | Receive Data+ | 
| 4 | n/c | Not connected | 
| 5 | n/c | Not connected | 
| 6 | RX- | Receive Data- | 
| 7 | n/c | Not connected | 
| 8 | n/c | Not connected | 
Note: TX & RX are swapped on Hub's.
| Contributor: | Joakim Ögren, Jeffrey R. Broido | 
| Source: | ? | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10